Add --hsts and --uir CLI flags

letsencrypt/cli.py

@@ -868,6 +868,16 @@ def prepare_and_parse_args(plugins, args):
         "security", "--no-redirect", action="store_false",
         help="Do not automatically redirect all HTTP traffic to HTTPS for the newly "
              "authenticated vhost.", dest="redirect", default=None)
+    helpful.add(
+        "security", "--hsts", action="store_true",
+        help="Add the Strict-Transport-Security header to every HTTP response."
+             " Forcing browser to use always use SSL for the domain."
+             " Defends against SSL Stripping.", dest="hsts")
+    helpful.add(
+        "security", "--uir", action="store_true",
+        help="Add the \"Content-Security-Policy: upgrade-insecure-requests\""
+             " header to every HTTP response. Forcing the browser to use"
+             " https:// for every http:// resource.", dest="uir")
     helpful.add(
         "security", "--strict-permissions", action="store_true",
         help="Require that all configuration files are owned by the current "